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Finding the Fourth Proportional to 235,578.65, 353,362.46 and 75,654.27

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Solution

The fourth proportional to 235,578.65, 353,362.46 and 75,654.27 is: 113,479.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,578.65 : 353,362.46 = 75,654.27 : x
  2. Step 2: Convert to fraction form
    235,578.65/353,362.46 = 75,654.27/x
  3. Step 3: Cross multiply
    235,578.65x = 353,362.46 × 75,654.27
  4. Step 4: Simplify right side
    235,578.65x = 26,733,378,578.43
  5. Step 5: Solve for x
    x = 26,733,378,578.43/235,578.65
  6. Step 6: Final answer
    x = 113,479.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.